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[Jürg Häfliger <1852976@xxxxxxxxxxxxxxxxxx>]

** Tags added: kernel-daily-bug

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https://bugs.launchpad.net/bugs/1852976

Title:
  zram01 / zram02 / zram03 in kernel_misc from ubuntu_ltp failed on
  D-Oracle

Status in ubuntu-kernel-tests:
  Fix Released
Status in linux-aws package in Ubuntu:
  New
Status in linux-signed-oracle package in Ubuntu:
  Invalid
Status in linux-aws source package in Bionic:
  New
Status in linux-signed-oracle source package in Bionic:
  New
Status in linux-aws source package in Disco:
  Won't Fix
Status in linux-signed-oracle source package in Disco:
  Invalid

Bug description:
  It looks like the failures in zram01 are causing zram02 and zram03 to
  fail as well.

  Seems that this is broken since commit 7cfac804 (zram: Rewrite shell
  tests into new API)

   tag=zram01 stime=1573887406 dur=300 exit=signaled stat=9 core=no cu=23757 cs=7590
   startup='Sat Nov 16 06:56:46 2019'
   zram01 1 TINFO: timeout per run is 0h 5m 0s
   zram01 1 TINFO: create '4' zram device(s)
   zram01 1 TPASS: test succeeded
   zram01 1 TCONF: The device attribute max_comp_streams was introduced in kernel 3.15 and deprecated in 4.7
   zram01 2 TINFO: test that we can set compression algorithm
   zram01 2 TINFO: supported algs: [lzo] lz4 lz4hc 842 zstd
   zram01 2 TINFO: /sys/block/zram0/comp_algorithm = 'lzo' (1/4)
   zram01 2 TINFO: /sys/block/zram1/comp_algorithm = 'lzo' (2/4)
   zram01 2 TINFO: /sys/block/zram2/comp_algorithm = 'lzo' (3/4)
   zram01 2 TINFO: /sys/block/zram3/comp_algorithm = 'lzo' (4/4)
   zram01 2 TPASS: test succeeded
   zram01 3 TINFO: set disk size to zram device(s)
   zram01 3 TINFO: /sys/block/zram0/disksize = '26214400' (1/4)
   zram01 3 TINFO: /sys/block/zram1/disksize = '26214400' (2/4)
   zram01 3 TINFO: /sys/block/zram2/disksize = '26214400' (3/4)
   zram01 3 TINFO: /sys/block/zram3/disksize = '402653184' (4/4)
   zram01 3 TPASS: test succeeded
   zram01 4 TINFO: set memory limit to zram device(s)
   zram01 4 TINFO: /sys/block/zram0/mem_limit = '25M' (1/4)
   zram01 4 TINFO: /sys/block/zram1/mem_limit = '25M' (2/4)
   zram01 4 TINFO: /sys/block/zram2/mem_limit = '25M' (3/4)
   zram01 4 TINFO: /sys/block/zram3/mem_limit = '384M' (4/4)
   zram01 4 TPASS: test succeeded
   zram01 5 TINFO: make ext3 filesystem on /dev/zram0
   zram01 5 TINFO: make ext4 filesystem on /dev/zram1
   zram01 5 TINFO: make xfs filesystem on /dev/zram2
   zram01 5 TINFO: make btrfs filesystem on /dev/zram3
   zram01 5 TPASS: zram_makefs succeeded
   zram01 6 TINFO: mount /dev/zram0
   zram01 6 TINFO: mount /dev/zram1
   zram01 6 TINFO: mount /dev/zram2
   zram01 6 TINFO: mount /dev/zram3
   zram01 6 TPASS: mount of zram device(s) succeeded
   zram01 7 TINFO: filling zram0 (it can take long time)
   zram01 7 TPASS: zram0 was filled with '20628' KB
   zram01 7 TPASS: compression ratio: 732.90:1
   zram01 7 TINFO: filling zram1 (it can take long time)
   zram01 7 TPASS: zram1 was filled with '20140' KB
   zram01 7 TPASS: compression ratio: 5151.97:1
   zram01 7 TINFO: filling zram2 (it can take long time)
   zram01 7 TPASS: zram2 was filled with '17756' KB
   zram01 7 TPASS: compression ratio: 285.26:1
   zram01 7 TINFO: filling zram3 (it can take long time)
   zram01 1 TBROK: test killed, timeout! If you are running on slow machine, try exporting LTP_TIMEOUT_MUL > 1

   tag=zram02 stime=1573887712 dur=0 exit=exited stat=1 core=no cu=2 cs=0
   startup='Sat Nov 16 07:01:52 2019'
   zram02 1 TINFO: timeout per run is 0h 5m 0s
   zram02 1 TINFO: create '1' zram device(s)
   zram02 1 TFAIL: unexpected num of devices: 4
   /opt/ltp/testcases/bin/zram02.sh: 27: echo: echo: I/O error
   zram02 1 TINFO: AppArmor enabled, this may affect test results
   zram02 1 TINFO: it can be disabled with TST_DISABLE_APPARMOR=1 (requires super/root)
   zram02 1 TINFO: loaded AppArmor profiles: none

   Summary:
   passed 0
   failed 1
   skipped 0
   warnings 0

   tag=zram03 stime=1573887718 dur=0 exit=exited stat=2 core=no cu=0 cs=0
   startup='Sat Nov 16 07:01:58 2019'
   zram03 0 TINFO : create a zram device with 536870912 bytes in size.
   zram03 1 TBROK : safe_file_ops.c:301: Failed to close FILE '/sys/block/zram0/disksize' at zram03.c:87: errno=EBUSY(16): Device or resource busy
   zram03 2 TBROK : safe_file_ops.c:301: Remaining cases broken

  ProblemType: Bug
  DistroRelease: Ubuntu 19.04
  Package: linux-image-5.0.0-1005-oracle 5.0.0-1005.9
  ProcVersionSignature: User Name 5.0.0-1005.9-oracle 5.0.21
  Uname: Linux 5.0.0-1005-oracle x86_64
  ApportVersion: 2.20.10-0ubuntu27.1
  Architecture: amd64
  Date: Mon Nov 18 07:50:37 2019
  SourcePackage: linux-signed-oracle
  UpgradeStatus: No upgrade log present (probably fresh install)

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